I JUST WANTED TO SAY TO ALL THE PEOPLE PUTTING N U D E S ON HERE IT IS NOT P O R N H U B IT IS FOR SCHOOL WORK ONLY SO PLZ IF YOU WANNA SHOW ANYTHING GO GET A DUDE OR GIRL OR EVEN GO TO P O R N H U B JUST STOP PUTTING THEM ON HERE IT IS NOT VERY PLEASING THANK YOU! HAVE A WONDERFUL DAY:)

What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3

What happens to the electrostatic force between two charged particles if the distance between them is doubled?